It's not always safe to fold movsd into xorpd, etc. Check the alignment of the load address first to make sure it's 16 byte aligned.

llvm-svn: 46893

1 files changed, 4 insertions, 2 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.h b/llvm/lib/Target/PowerPC/PPCInstrInfo.h
index 02d8bba369a..9f289e4ff83 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.h
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.h
@@ -131,11 +131,13 @@ public:
   
   /// foldMemoryOperand - PowerPC (like most RISC's) can only fold spills into
   /// copy instructions, turning them into load/store instructions.
-  virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
+  virtual MachineInstr* foldMemoryOperand(MachineFunction &MF,
+                                          MachineInstr* MI,
                                           SmallVectorImpl<unsigned> &Ops,
                                           int FrameIndex) const;
 
-  virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
+  virtual MachineInstr* foldMemoryOperand(MachineFunction &MF,
+                                          MachineInstr* MI,
                                           SmallVectorImpl<unsigned> &Ops,
                                           MachineInstr* LoadMI) const {
     return 0;